<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        function sj(time) {
            if(time<=0){
                alert('时间要大于0')
            }
            let h = parseInt(time / 60 / 60 % 24);
            let m = parseInt(time / 60 % 60);
            let s = parseInt(time % 60);
            h = h < 10 ? '0' + h : h
            m = m < 10 ? '0' + m : m
            s = s < 10 ? '0' + s : s
            document.write(`时间转换为${h}小时${m}分钟${s}秒`)
        }
        sj(time = +prompt('请输入总秒数'))

    </script>
</body>

</html>